Doctor profile · Federal record

Dr. Mary Ashby-Ahearn, MD

Obstetrics & Gynecology Physician · Santa Rosa, CA

  • NPI 1528448198
  • 11 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
401 Bicentennial Way
Santa Rosa, CA 954032149
(707) 393-4000

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
October 29, 2024
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A160967

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528448198. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Meditrina 1 $18.57

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
149
Patients
71
Total drug cost
$31,847
Drug Type Claims Patients Total cost
Yuvafem (Estradiol) Brand 54 21 $5,824
Estradiol Generic 44 34 $2,608
Estring (Estradiol) Brand 39 16 $23,128
Acyclovir Generic 12 0 $287

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Ashby-Ahearn's medical specialty?
Dr. Mary Ashby-Ahearn practices Obstetrics & Gynecology Physician in Santa Rosa, CA.
Where does Dr. Mary Ashby-Ahearn practice?
Dr. Mary Ashby-Ahearn practices at 401 Bicentennial Way, Santa Rosa, CA 954032149. Office phone: 7073934000.
What is Dr. Mary Ashby-Ahearn's NPI?
Dr. Mary Ashby-Ahearn's National Provider Identifier (NPI) is 1528448198, issued by NPPES.